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怎么实现linux整点和半点执行任务

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Jun 23, 2016 pm 01:21 PM

请问linux的 crontab -e 怎么设置整点和半点执行任务呢？
就是要每隔半个小时执行任务一次整点的例如11点和11点半执行任务求大神代码实例

回复讨论(解决方案)

*/30 * * * * 任务

大神，如果现在是9点15分，那我怎么实现9点半执行一次，10点也执行一次之后每隔半小时到整点又执行呢

*/30 * * * * curl http://www.xxx.com/控制器/方法名

这就是每30分钟执行一次这个地址的请求，也就是实现执行方法
对着呢

不用纠结那15分钟啊

那你就定时任务
或写好cron, 当date到的时候，开启，也能准时准点儿

最简单粗暴的方法是，定时器一分钟运行一次，然后脚本判断时间是否执行

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